Q: What are the prime factors of the number 312,784,620?

 A: 2, 3, 5, 5213077

Why are those the prime factors of the number 312,784,620?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 312,784,620

312,784,620
Factor Arrows
2156,392,310
Factor Arrows
278,196,155
Factor Arrows
326,065,385
Factor Arrows
55,213,077

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 5, 5213077

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5,213,077 = 312,784,620

This can also be written as 22 x 31 x 51 x 5,213,0771 = 312,784,620

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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